OCx/STMx POS and OC48 Modules Table 13-7 OCx/STMx POS and OC48 modules Protocol or Application OCx/STMx POS Line Modules with OC3-4 I/O Modules OCx/STMx POS Line Modules with OC12/STM4 I/O Modules OC48 Line Module with OC48 Frame APS I/O Module Acceptance of traffic for IP tunnels Yes Yes Yes APS/MSP No Yes No ATM No No No BERT No No No BGP Yes Yes Yes Bridged Ethernet Yes Yes No Bridged IP No No No CBF No No No Cisco HDLC Yes Yes Yes DHCP local server No No No Dynamic interfaces No No No F4 OAM (ATM Administration) No No No Frame Relay Yes Yes Yes IP Yes Yes Yes IP Multicasting Yes Yes Yes IPv6 No No No IS-IS Yes Yes Yes LAC Support - access side No No No LAC Support - peer side Yes Yes Yes LNS Support - Internet side No No No LNS Support - peer side Yes Yes Yes Local loopback No No No MPLS Yes Yes Yes Multilink Frame Relay No No No Multilink PPP No No No NBMA (multipoint ATM) No No No OSPF Yes Yes Yes Packet over SONET Yes Yes Yes Policy Management Yes Yes Yes PPP Yes Yes Yes PPPoE No No No QoS Yes Yes Yes Remote loopback No No No RIP Yes Yes Yes SMDS (trunk encapsulation) No No No Subscriber interfaces (static) Yes (over POS) Yes (over POS) No Subscriber interfaces (dynamic) No No No Transparent bridging No No No VRRP No No No